Class: Trashed::Instruments::Ruby18GC

Inherits:
Object
  • Object
show all
Defined in:
lib/trashed/instruments/ree_gc.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Ruby18GC

Returns a new instance of Ruby18GC.



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# File 'lib/trashed/instruments/ree_gc.rb', line 4

def initialize
  GC.enable_stats
end

Instance Method Details

#measure(state, timings, gauges) ⇒ Object 



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# File 'lib/trashed/instruments/ree_gc.rb', line 16

def measure(state, timings, gauges)
  before = state[:ruby18_gc]

  timings.update \
    :'GC.count'             => GC.collections - before[:gc_count],
    :'GC.time'              => GC.time - before[:gc_time],
    :'GC.memory'            => GC.allocated_size - before[:gc_memory],
    :'GC.allocated_objects' => ObjectSpace.allocated_objects - before[:objects]

  gauges << [ :'Objects.live',  ObjectSpace.live_objects ]
  gauges << [ :'GC.growth',     GC.growth ]
end

#start(state, timings, gauges) ⇒ Object 



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# File 'lib/trashed/instruments/ree_gc.rb', line 8

def start(state, timings, gauges)
  state[:ruby18_gc] = {
    :objects   => ObjectSpace.allocated_objects,
    :gc_count  => GC.collections,
    :gc_time   => GC.time,
    :gc_memory => GC.allocated_size }
end